Aadhaar Card (UID) is a System for taking Biometric and Demographic data of residents of India. The Unique Identification Authority of India (UIDAI) is the controlling authority in India which is maintaining the Aadhaar Card (UID) System in all over India.

After providing all the information for Aadhaar Card (UID), then they will give a 12 Digit Number which is called Aadhaar Card.